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Switched reluctance motor

A technology of switched reluctance motor and motor stator, which is applied in the direction of AC motor control, magnetic circuit, electromechanical device, etc. It can solve the problems of large wiring span, high voltage level requirements, and high process requirements, so as to improve stability and service life. The effect of reducing the demand for withstand voltage levels and simplifying the wiring process

Inactive Publication Date: 2018-10-23
SICHUAN JIUDINGZHIYUAN INTPROP OPERATIONS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the above reasons, the current power control unit requires high voltage levels, and the electronic devices in the power control unit also have high requirements for withstand voltage, which makes the power control unit difficult to manufacture and expensive.
[0004] The windings of the existing switched reluctance motors are interconnected, such as figure 1 In the switched reluctance motor shown, the same-phase windings are connected in series, and the copper wire needs to be pulled from the A winding to the opposite A1 winding. The wiring span is large. In the case of limited space in the motor stator, the winding is complicated and the process requirements are high.
Moreover, the windings are connected in series with each other, resulting in increased line loss, wasting the electric energy output by the power control unit, increasing the heat of the motor, and affecting the operation of the motor

Method used

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Examples

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Embodiment 1

[0028] A switched reluctance motor, characterized in that: a number of salient poles are provided on the stator of the motor, wherein each salient pole is individually matched with a winding, the windings on any two salient poles are independent of each other, and each winding is connected to one or more An independent power control unit, so that the power control unit connected to each winding can individually control the power supply to the winding, wherein any salient pole can act on the motor rotor alone, and the matching of the same phase salient poles can drive the motor rotor to rotate.

[0029] Such as figure 2 In the three-phase 6 / 4 switched reluctance motor shown, the winding on each salient pole of the stator is connected to a power control unit 4 separately, and the three-phase 6 / 4 switched reluctance motor has six salient poles, so the stator is connected to There are 6 power control units 4, and each power control unit 4 independently supplies power to a winding...

Embodiment 2

[0036] A switched reluctance motor, characterized in that: a number of salient poles are provided on the stator of the motor, wherein each salient pole is individually matched with a winding, the windings on any two salient poles are independent of each other, and each winding is connected to one or more An independent power control unit, so that the power control unit connected to each winding can individually control the power supply to the winding, wherein any salient pole can act on the motor rotor alone, and the matching of the same phase salient poles can drive the motor rotor to rotate.

[0037] The windings on the matched salient poles of the same phase are independent and not connected to each other; the power control units 4 connected to the windings on the salient poles of the same phase are independent of each other.

[0038] In the present invention, the same-phase windings are independent and disconnected from each other, which can simplify the wiring process, reduc...

Embodiment 3

[0040] A switched reluctance motor, characterized in that: a number of salient poles are provided on the stator of the motor, wherein each salient pole is individually matched with a winding, the windings on any two salient poles are independent of each other, and each winding is connected to one or more An independent power control unit, so that the power control unit connected to each winding can individually control the power supply to the winding, in which any salient pole can act on the motor rotor alone, and the matching of the salient poles in the same phase can drive the motor rotor to rotate; non-in-phase The drive windings on any two salient poles of any two are independent and not connected to each other; the power control units 4 connected to the windings on non-salient poles of the same phase are independent of each other.

[0041] In this embodiment, the windings of different phases are independent and disconnected, so that when a motor is working, the different p...

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Abstract

The invention discloses a switched reluctance motor, which is characterized in that a motor stator is provided with a plurality of salient poles, each salient pole is independently matched with a winding, the windings on any two salient poles are mutually independent, and each winding is connected to one or more independent power control units, so that the power control unit connected to each winding is enabled to independently control the power supply for the winding. Any salient pole can independently act on a motor stator, and the in-phase salient poles are mutually matched to drive the motor rotor to rotate. The switched reluctance motor can reduce the manufacturing difficulty and manufacturing cost of power control units of the existing switched reluctance motor, simplify the wiring process and reduce the line loss.

Description

technical field [0001] The invention relates to the field of motors, in particular to switched reluctance motors. Background technique [0002] The structure of the existing switched reluctance motor is as follows figure 1 As shown, windings are wound on the salient poles of each phase of the motor stator, and each phase winding of the motor stator is powered by a power control unit. When the motor is working, the power control unit controls each phase winding in the stator to circulate current in turn. Since the magnetic flux has the characteristic of trying to pass along the path with the least reluctance, the rotor rotates under the action of electromagnetic attraction. [0003] When the existing switched reluctance motor is working, the power control unit needs to supply power to the windings on multiple salient poles, and the power control unit needs to output a relatively high voltage to drive the motor to work. Due to the above reasons, the current power control uni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/14H02K3/28H02K5/20H02P25/16
CPCH02K1/146H02K3/28H02K5/20H02P25/08H02P25/16
Inventor 毛珂陈乃邦李惊
Owner SICHUAN JIUDINGZHIYUAN INTPROP OPERATIONS CO LTD
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